From 68f9b8439e18aaa83f8b1db611cb858a51c2d9d6 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Thu, 16 Apr 2020 00:44:12 -0500 Subject: Promote blkdiscard. --- toys/pending/blkdiscard.c | 55 ----------------------------------------------- 1 file changed, 55 deletions(-) delete mode 100644 toys/pending/blkdiscard.c (limited to 'toys/pending') diff --git a/toys/pending/blkdiscard.c b/toys/pending/blkdiscard.c deleted file mode 100644 index 77ec8894..00000000 --- a/toys/pending/blkdiscard.c +++ /dev/null @@ -1,55 +0,0 @@ -/* blkdiscard - discard device sectors - * - * Copyright 2020 Patrick Oppenlander - * - * See http://man7.org/linux/man-pages/man8/blkdiscard.8.html - * - * The -v and -p options are not supported. - * Size parsing does not match util-linux where MB, GB, TB are multiples of - * 1000 and MiB, TiB, GiB are multipes of 1024. - -USE_BLKDISCARD(NEWTOY(blkdiscard, "<1>1f(force)l(length):o(offset):s(secure)z(zeroout)[!sz]", TOYFLAG_BIN)) - -config BLKDISCARD - bool "blkdiscard" - default n - help - usage: blkdiscard [-olszf] DEVICE - - Discard device sectors. - - -o, --offset OFF Byte offset to start discarding at (default 0) - -l, --length LEN Bytes to discard (default all) - -s, --secure Perform secure discard - -z, --zeroout Zero-fill rather than discard - -f, --force Disable check for mounted filesystem - - OFF and LEN must be aligned to the device sector size. - By default entire device is discarded. - WARNING: All discarded data is permanently lost! -*/ - -#define FOR_blkdiscard -#include "toys.h" - -#include - -GLOBALS( - char *o, *l; -) - -void blkdiscard_main(void) -{ - int fd = xopen(*toys.optargs, O_WRONLY|O_EXCL*!FLAG(f)); - unsigned long long ol[2]; - - ol[0] = FLAG(o) ? atolx_range(TT.o, 0, LLONG_MAX) : 0; - if (FLAG(l)) ol[1] = atolx_range(TT.l, 0, LLONG_MAX); - else { - xioctl(fd, BLKGETSIZE64, ol+1); - ol[1] -= ol[0]; - } - xioctl(fd, FLAG(s) ? BLKSECDISCARD : FLAG(z) ? BLKZEROOUT : BLKDISCARD, ol); - - if (CFG_TOYBOX_FREE) close(fd); -} -- cgit v1.2.3